Granted Patent
Utility
US 5,314,700 · App. 07/647,285
Poultry feed component
Inventors:
Dewey G. Barnes, Sebastian M. Laurent
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Jan 28, 1991
Inventors
Dewey G. Barnes
Sebastian M. Laurent
Assignee (at issue)
Ethyl Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.